C157 Chairman Liang

The lights were on, and it was almost midnight.

Lu Lu was just about to put on her clothes and sleep on the table for a while when Gao Yann walked in, humming a song.

"Director Gao, what are you so happy about?"

It was rare to see Gao Yann so happy. He usually looked tense.

Gao Yann raised the USB in his hand.

"This is the project book used by Wanjing for competition